Dental handpiece



FIG. 1 is a side view of the dental handpiece showing the new design:

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view;

FIG. 4 is an end view thereof; and,

FIG. 5 is an end view thereof showing the end opposite that shown in FIG. 4. 

The ornamental design for a dental handpiece, as shown and described. 